Files
Casha/lib/features/dashboard/screen.dart
T
2026-03-20 18:44:57 +03:00

740 lines
26 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:intl/intl.dart';
import 'package:sensors_plus/sensors_plus.dart';
import '../../core/constants.dart';
import '../../shared/models/transaction.dart';
import '../../shared/utils/currency_utils.dart';
import '../../shared/providers/amount_format_provider.dart';
import '../settings/provider.dart';
import 'provider.dart';
// Helper for balance card only - hides .00 decimals
String _smartBalance(double amount, AmountFormat fmt, String symbol) {
const spaceAfter = {'Br', ''};
final sep = spaceAfter.contains(symbol) ? ' ' : '';
final isWhole = amount == amount.floorToDouble();
String formatted;
if (isWhole) {
// format the integer, then manually remove .00
formatted = fmt.format(amount);
if (formatted.endsWith('.00')) {
formatted = formatted.substring(0, formatted.length - 3);
}
} else {
formatted = fmt.format(amount);
}
return '$symbol$sep$formatted';
}
class DashboardScreen extends ConsumerStatefulWidget {
const DashboardScreen({super.key});
@override
ConsumerState<DashboardScreen> createState() => _DashboardScreenState();
}
class _DashboardScreenState extends ConsumerState<DashboardScreen> {
final _searchController = TextEditingController();
final _scrollController = ScrollController();
final _searchFocusNode = FocusNode();
Border? _themeBorder(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1);
}
@override
void initState() {
super.initState();
}
@override
void dispose() {
_searchController.dispose();
_scrollController.dispose();
_searchFocusNode.dispose();
super.dispose();
}
void _scrollToSearch() {
if (!_scrollController.hasClients) return;
_scrollController.animateTo(
400.0,
duration: const Duration(milliseconds: 500),
curve: Curves.fastOutSlowIn,
);
}
@override
Widget build(BuildContext context) {
final balance = ref.watch(totalBalanceProvider);
final income = ref.watch(totalIncomeProvider);
final expense = ref.watch(totalExpenseProvider);
final monthExpense = ref.watch(currentMonthExpenseProvider);
final budget = ref.watch(budgetProvider);
final recent = ref.watch(recentTransactionsProvider);
final filter = ref.watch(transactionFilterProvider);
final currencyInfo = ref.watch(currencyProvider);
final isDark = Theme.of(context).brightness == Brightness.dark;
return Scaffold(
backgroundColor: Theme.of(context).scaffoldBackgroundColor,
appBar: AppBar(
title: Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'My Finances',
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.w700,
color: Theme.of(context).colorScheme.onSurface,
),
),
Text(
DateFormat('MMMM yyyy').format(DateTime.now()),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
),
],
),
),
floatingActionButton: FloatingActionButton.extended(
onPressed: () => context.push('/add'),
backgroundColor: const Color(0xFF7C6DED),
foregroundColor: Colors.white,
icon: const Icon(Icons.add),
label: const Text('Add', style: TextStyle(fontWeight: FontWeight.w600)),
),
floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
body: SafeArea(
child: CustomScrollView(
controller: _scrollController,
cacheExtent: 300,
slivers: [
SliverToBoxAdapter(
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_BalanceCard(balance: balance, currencyInfo: currencyInfo),
const SizedBox(height: 16),
_SummaryRow(income: income, expense: expense, currencyInfo: currencyInfo),
if (budget != null) ...[
const SizedBox(height: 16),
_BudgetProgress(spent: monthExpense, budget: budget, currencyInfo: currencyInfo),
],
const SizedBox(height: 24),
_SearchBar(
controller: _searchController,
focusNode: _searchFocusNode,
onTap: _scrollToSearch,
ref: ref,
),
const SizedBox(height: 12),
_FilterChips(selected: filter, ref: ref),
const SizedBox(height: 20),
Text(
'Transactions',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
color: Theme.of(context).colorScheme.onSurface,
),
),
const SizedBox(height: 12),
],
),
),
),
if (recent.isEmpty)
const SliverFillRemaining(
hasScrollBody: false,
child: _EmptyState(),
)
else
SliverPadding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 100),
sliver: SliverList.builder(
itemCount: recent.length,
itemBuilder: (context, i) => Padding(
padding: const EdgeInsets.only(bottom: 10),
child: RepaintBoundary(
child: _TransactionTile(transaction: recent[i]),
),
),
),
),
const SliverPadding(padding: EdgeInsets.only(bottom: 80)),
],
),
),
);
}
}
class _SearchBar extends StatelessWidget {
final TextEditingController controller;
final FocusNode focusNode;
final VoidCallback onTap;
final WidgetRef ref;
const _SearchBar({
required this.controller,
required this.focusNode,
required this.onTap,
required this.ref,
});
@override
Widget build(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return TextField(
controller: controller,
focusNode: focusNode,
onTap: onTap,
decoration: InputDecoration(
hintText: 'Search transactions...',
prefixIcon: Icon(Icons.search_rounded, color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6)),
suffixIcon: controller.text.isNotEmpty
? IconButton(
icon: const Icon(Icons.clear_rounded, size: 20),
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
onPressed: () {
controller.clear();
ref.read(searchQueryProvider.notifier).state = '';
},
)
: null,
filled: true,
fillColor: Theme.of(context).inputDecorationTheme.fillColor,
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(
color: isDark ? Colors.transparent : const Color(0xFFCCCCDD),
width: 1,
),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: const BorderSide(color: Color(0xFF7C6DED), width: 1.5),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
),
onChanged: (v) => ref.read(searchQueryProvider.notifier).state = v,
);
}
}
class _FilterChips extends StatelessWidget {
final TransactionFilter selected;
final WidgetRef ref;
const _FilterChips({required this.selected, required this.ref});
@override
Widget build(BuildContext context) {
return Row(
children: [
_FilterChip(
label: 'All',
isSelected: selected == TransactionFilter.all,
onTap: () => ref.read(transactionFilterProvider.notifier).state = TransactionFilter.all,
),
const SizedBox(width: 8),
_FilterChip(
label: 'Income',
isSelected: selected == TransactionFilter.income,
color: AppColors.income,
onTap: () => ref.read(transactionFilterProvider.notifier).state = TransactionFilter.income,
),
const SizedBox(width: 8),
_FilterChip(
label: 'Expense',
isSelected: selected == TransactionFilter.expense,
color: AppColors.expense,
onTap: () => ref.read(transactionFilterProvider.notifier).state = TransactionFilter.expense,
),
],
);
}
}
class _FilterChip extends StatelessWidget {
final String label;
final bool isSelected;
final Color? color;
final VoidCallback onTap;
const _FilterChip({
required this.label,
required this.isSelected,
this.color,
required this.onTap,
});
@override
Widget build(BuildContext context) {
final chipColor = color ?? AppColors.accent;
final isDark = Theme.of(context).brightness == Brightness.dark;
return GestureDetector(
onTap: onTap,
child: AnimatedContainer(
duration: const Duration(milliseconds: 200),
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
decoration: BoxDecoration(
color: isSelected ? chipColor.withOpacity(0.2) : Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(20),
border: isSelected
? Border.all(color: chipColor, width: 1.5)
: (isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1)),
),
child: Text(
label,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: isSelected ? chipColor : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
),
),
),
);
}
}
class _BudgetProgress extends ConsumerWidget {
final double spent;
final double budget;
final CurrencyInfo currencyInfo;
const _BudgetProgress({required this.spent, required this.budget, required this.currencyInfo});
Border? _themeBorder(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1);
}
@override
Widget build(BuildContext context, WidgetRef ref) {
final fmt = ref.watch(amountFormatProvider);
final progress = budget > 0 ? spent / budget : 0.0;
final isOver = progress > 1.0;
final displayPercent = (progress * 100).toStringAsFixed(0);
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: _themeBorder(context),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Monthly Budget',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
Text(
'$displayPercent%',
style: TextStyle(
color: isOver ? const Color(0xFFE05C6B) : Theme.of(context).colorScheme.onSurface.withOpacity(0.7),
fontWeight: isOver ? FontWeight.w700 : FontWeight.normal,
fontSize: 12,
),
),
],
),
const SizedBox(height: 8),
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: LinearProgressIndicator(
value: isOver ? 1.0 : progress,
backgroundColor: Theme.of(context).colorScheme.onSurface.withOpacity(0.1),
valueColor: AlwaysStoppedAnimation<Color>(
isOver ? const Color(0xFFE05C6B) : (progress > 0.8 ? Colors.orange : const Color(0xFF4CAF8C)),
),
minHeight: 8,
),
),
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Spent: ${formatAmount(currencyInfo.symbol, spent, fmt)}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
Text(
'Limit: ${formatAmount(currencyInfo.symbol, budget, fmt)}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
],
),
);
}
}
class _BalanceCard extends ConsumerStatefulWidget {
final double balance;
final CurrencyInfo currencyInfo;
const _BalanceCard({required this.balance, required this.currencyInfo});
@override
ConsumerState<_BalanceCard> createState() => _BalanceCardState();
}
class _BalanceCardState extends ConsumerState<_BalanceCard>
with SingleTickerProviderStateMixin {
late final AnimationController _controller;
double _tiltX = 0.0, _tiltY = 0.0;
double _targetTiltX = 0.0, _targetTiltY = 0.0;
StreamSubscription<AccelerometerEvent>? _sub;
@override
void initState() {
super.initState();
// repeat() — тикает каждый vsync кадр
_controller = AnimationController(
vsync: this,
duration: const Duration(seconds: 1),
)..repeat();
// Акселерометр ТОЛЬКО пишет target — никакого setState/rebuild
_sub = accelerometerEventStream(
samplingPeriod: const Duration(milliseconds: 50),
).listen((e) {
_targetTiltY = (e.x / 9.8).clamp(-1.0, 1.0);
_targetTiltX = -(e.y / 9.8).clamp(-1.0, 1.0);
});
}
@override
void dispose() {
_controller.dispose();
_sub?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
final rates = ref.read(exchangeRateServiceProvider);
final fmt = ref.watch(amountFormatProvider);
final allCurrencies = [('USD', r'$'), ('EUR', ''), ('BYN', 'Br'), ('RUB', '')];
final others = allCurrencies
.where((c) => c.$1 != widget.currencyInfo.code)
.toList();
return AnimatedBuilder(
animation: _controller,
builder: (context, child) {
// ← lerp здесь, вызывается каждый кадр автоматически через AnimatedBuilder
_tiltX += (_targetTiltX - _tiltX) * 0.1;
_tiltY += (_targetTiltY - _tiltY) * 0.1;
return Transform(
alignment: Alignment.center,
transform: Matrix4.identity()
..setEntry(3, 2, 0.001) // перспектива — без неё вращение плоское
..rotateX(_tiltX * 0.12)
..rotateY(_tiltY * 0.12),
child: child,
);
},
child: Container( // строится ОДИН раз, не пересоздаётся каждый кадр
width: double.infinity,
height: 180,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20),
gradient: const LinearGradient(
begin: Alignment(-0.5, -0.5),
end: Alignment(0.5, 0.5),
colors: [Color(0xFF6B5DD3), Color(0xFF2A2040), Color(0xFF1A1625)],
stops: [0.0, 0.5, 1.0],
),
boxShadow: [
BoxShadow(color: Colors.black.withOpacity(0.4), blurRadius: 20, offset: const Offset(0, 8)),
],
),
child: ClipRRect(
borderRadius: BorderRadius.circular(20),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Expanded(
flex: 5,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Text('TOTAL BALANCE', style: TextStyle(fontSize: 11, letterSpacing: 1.5, color: Colors.white.withOpacity(0.6))),
const SizedBox(height: 6),
FittedBox(
fit: BoxFit.scaleDown,
alignment: Alignment.center,
child: Text(
_smartBalance(widget.balance, fmt, widget.currencyInfo.symbol),
style: const TextStyle(fontSize: 48, fontWeight: FontWeight.w700, color: Colors.white),
maxLines: 1,
),
),
],
),
),
if (widget.balance != 0) ...[
const SizedBox(width: 16),
Container(width: 1, height: 70, color: Colors.white.withOpacity(0.15)),
const SizedBox(width: 16),
SizedBox(
width: 110,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: others.map((c) {
final converted = rates.convert(widget.balance, widget.currencyInfo.code, c.$1);
return Padding(
padding: const EdgeInsets.symmetric(vertical: 3),
child: FittedBox(
fit: BoxFit.scaleDown,
alignment: Alignment.centerLeft,
child: Text(
_smartBalance(converted, fmt, c.$2),
style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: Colors.white.withOpacity(0.65)),
maxLines: 1,
),
),
);
}).toList(),
),
),
],
],
),
),
),
),
);
}
}
class _SummaryRow extends StatelessWidget {
final double income;
final double expense;
final CurrencyInfo currencyInfo;
const _SummaryRow({required this.income, required this.expense, required this.currencyInfo});
@override
Widget build(BuildContext context) {
return Row(
children: [
Expanded(child: _SummaryCard(label: 'Income', amount: income, color: AppColors.income, icon: Icons.arrow_downward_rounded, currencyInfo: currencyInfo)),
const SizedBox(width: 12),
Expanded(child: _SummaryCard(label: 'Expenses', amount: expense, color: AppColors.expense, icon: Icons.arrow_upward_rounded, currencyInfo: currencyInfo)),
],
);
}
}
class _SummaryCard extends ConsumerWidget {
final String label;
final double amount;
final Color color;
final IconData icon;
final CurrencyInfo currencyInfo;
const _SummaryCard({required this.label, required this.amount, required this.color, required this.icon, required this.currencyInfo});
Border? _themeBorder(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1);
}
@override
Widget build(BuildContext context, WidgetRef ref) {
final fmt = ref.watch(amountFormatProvider);
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: _themeBorder(context),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: color.withOpacity(0.15),
borderRadius: BorderRadius.circular(10),
),
child: Icon(icon, color: color, size: 18),
),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(label, style: Theme.of(context).textTheme.bodySmall?.copyWith(color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6))),
const SizedBox(height: 2),
Text(
formatAmount(currencyInfo.symbol, amount, fmt),
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: color,
fontWeight: FontWeight.w600,
),
overflow: TextOverflow.ellipsis,
),
],
),
),
],
),
);
}
}
class _TransactionTile extends ConsumerWidget {
final Transaction transaction;
const _TransactionTile({required this.transaction});
Border? _themeBorder(BuildContext context) {
final isDark = Theme.of(context).brightness == Brightness.dark;
return isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1);
}
@override
Widget build(BuildContext context, WidgetRef ref) {
final fmt = ref.watch(amountFormatProvider);
final isIncome = transaction.type == TransactionType.income;
final color = isIncome ? AppColors.income : AppColors.expense;
final catColor = AppCategories.colors[transaction.category] ?? AppColors.accent;
final catIcon = AppCategories.icons[transaction.category] ?? Icons.category_rounded;
return GestureDetector(
onTap: () => context.push('/add', extra: transaction),
child: Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: _themeBorder(context),
),
child: Row(
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: catColor.withOpacity(0.15),
borderRadius: BorderRadius.circular(12),
),
child: Icon(catIcon, color: catColor, size: 20),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
transaction.category,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w600,
color: Theme.of(context).colorScheme.onSurface,
),
),
if (transaction.note != null && transaction.note!.isNotEmpty)
Text(
transaction.note!,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
overflow: TextOverflow.ellipsis,
)
else
Text(
DateFormat('MMM d, yyyy').format(transaction.date),
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
),
Text(
'${isIncome ? '+' : '-'}${formatAmount(transaction.currency, transaction.amount, fmt)}',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: color,
fontWeight: FontWeight.w700,
),
),
],
),
),
);
}
}
class _EmptyState extends StatelessWidget {
const _EmptyState();
@override
Widget build(BuildContext context) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
shape: BoxShape.circle,
),
child: Icon(
Icons.receipt_long_rounded,
size: 48,
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
const SizedBox(height: 16),
Text(
'No transactions found',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface,
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 6),
Text(
'Tap + to add your first transaction',
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
),
),
],
),
);
}
}